When was the compact disc invented? 1970, 1969 or 1980?
It was invented in 1980
When was the internet invented?
It was invented in1969
When was the tire invented?
It was invented in 1888
When was the videogame invented? 1969, 1979 or 1972?
It was invented in 1972
When was the ballpoint pen invented? 1938, 1962 or 1970?
It was invented in 1938
When was the paper clip invented? 1899, 1999 or 2009?
It was invented in 1899
When was the can opener invented? 1850, 1858 or 1860?
It was invented in 1858
When was the refrigerator invented?
It was invented in 1842
When was the portable music player invented? (1979, 1989 or 1959?)
It was invented in 1989
When was the light bulb invented?
It was invented in 1879
When was the air conditioner invented? 1902, 1910 or 1920?
It was invented in 1902